RSA accession: 889143; SOS Ref #: CA930A-TISSUE076
Ambrosia dumosa (A. Gray) Payne
Asteraceae
Sarah J. De Groot (2018-10-29)
[Other determiners:] My-Lan T. Le, Nina House
My-Lan T. Le
6
2018-09-26
2018-9-26
Sarah J. De Groot
United States, California, Inyo, BLMNear mouth of Cucomongo Canyon, along Willow Wash and North Eureka Valley Road just upstream from junction with Cucomongo Canyon and Willow Creek. Southwest of Sylvania Mountains, north of Last Chance Range, northeast of Eureka Valley.
Latitude/Longitude:
37.3414306 -117.7681306 NAD83
1438-1450 meters
4717-4757ft.
Desert slope and bench above wash. No modifying factors, adjacent to road used for recreation. Slope 5-12 degrees; aspect NE and E. Soil: silt, sand, gravel (5Y 4/2 olive gray). Creosote bush scrub.
Sphaeralcea ambigua var. rosacea, Larrea tridentata, Eriogonum inflatum, Dasyochloa sp., Pectis papposa, Ambrosia platyspina (Amborisa dumosa x salsola), Ambrosia salsola, Euphorbia micromera, Euphorbia setiloba, Lycium andersonii, Opuntia basilaris, Ephedra cf. nevadensis, Eriogonum fasciculatum var. polifolium, Stanleya sp., Xylorhiza tortifolia, Gutierrezia sp., Psorothamnus sp., Tetradymia sp., Atriplex polycarpa